drm/amdgpu: remove begin_job/finish_job

Completely pointless and confusing to use a callback
to call into the same code file.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk.Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

@@ -193,6 +193,4 @@ err:
 const struct amd_sched_backend_ops amdgpu_sched_ops = {
 	.dependency = amdgpu_job_dependency,
 	.run_job = amdgpu_job_run,
-	.begin_job = amd_sched_job_begin,
-	.finish_job = amd_sched_job_finish,
 };

drivers/gpu/drm/amd/scheduler/gpu_scheduler.c

@@ -329,7 +329,7 @@ static void amd_sched_free_job(struct fence *f, struct fence_cb *cb) {
 /* job_finish is called after hw fence signaled, and
  * the job had already been deleted from ring_mirror_list
  */
-void amd_sched_job_finish(struct amd_sched_job *s_job)
+static void amd_sched_job_finish(struct amd_sched_job *s_job)
 {
 	struct amd_sched_job *next;
 	struct amd_gpu_scheduler *sched = s_job->sched;
@@ -351,7 +351,7 @@ void amd_sched_job_finish(struct amd_sched_job *s_job)
 	}
 }
 
-void amd_sched_job_begin(struct amd_sched_job *s_job)
+static void amd_sched_job_begin(struct amd_sched_job *s_job)
 {
 	struct amd_gpu_scheduler *sched = s_job->sched;
 
@@ -461,7 +461,7 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
 	/* remove job from ring_mirror_list */
 	spin_lock_irqsave(&sched->job_list_lock, flags);
 	list_del_init(&s_fence->s_job->node);
-	sched->ops->finish_job(s_fence->s_job);
+	amd_sched_job_finish(s_fence->s_job);
 	spin_unlock_irqrestore(&sched->job_list_lock, flags);
 
 	amd_sched_fence_signal(s_fence);
@@ -475,6 +475,7 @@ static int amd_sched_main(void *param)
 {
 	struct sched_param sparam = {.sched_priority = 1};
 	struct amd_gpu_scheduler *sched = (struct amd_gpu_scheduler *)param;
+	unsigned long flags;
 	int r, count;
 
 	sched_setscheduler(current, SCHED_FIFO, &sparam);
@@ -499,7 +500,11 @@ static int amd_sched_main(void *param)
 		s_fence = sched_job->s_fence;
 
 		atomic_inc(&sched->hw_rq_count);
-		amd_sched_job_pre_schedule(sched, sched_job);
+		spin_lock_irqsave(&sched->job_list_lock, flags);
+		list_add_tail(&sched_job->node, &sched->ring_mirror_list);
+		amd_sched_job_begin(sched_job);
+		spin_unlock_irqrestore(&sched->job_list_lock, flags);
+
 		fence = sched->ops->run_job(sched_job);
 		amd_sched_fence_scheduled(s_fence);
 		if (fence) {

drivers/gpu/drm/amd/scheduler/gpu_scheduler.h

@@ -110,8 +110,6 @@ static inline struct amd_sched_fence *to_amd_sched_fence(struct fence *f)
 struct amd_sched_backend_ops {
 	struct fence *(*dependency)(struct amd_sched_job *sched_job);
 	struct fence *(*run_job)(struct amd_sched_job *sched_job);
-	void (*begin_job)(struct amd_sched_job *sched_job);
-	void (*finish_job)(struct amd_sched_job *sched_job);
 };
 
 enum amd_sched_priority {
@@ -160,10 +158,6 @@ int amd_sched_job_init(struct amd_sched_job *job,
 		       void (*timeout_cb)(struct work_struct *work),
 		       void (*free_cb)(struct kref* refcount),
 		       void *owner, struct fence **fence);
-void amd_sched_job_pre_schedule(struct amd_gpu_scheduler *sched ,
-				struct amd_sched_job *s_job);
-void amd_sched_job_finish(struct amd_sched_job *s_job);
-void amd_sched_job_begin(struct amd_sched_job *s_job);
 static inline void amd_sched_job_get(struct amd_sched_job *job)
 {
 	if (job)

drivers/gpu/drm/amd/scheduler/sched_fence.c

@@ -58,16 +58,6 @@ void amd_sched_fence_signal(struct amd_sched_fence *fence)
 		FENCE_TRACE(&fence->base, "was already signaled\n");
 }
 
-void amd_sched_job_pre_schedule(struct amd_gpu_scheduler *sched ,
-				struct amd_sched_job *s_job)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&sched->job_list_lock, flags);
-	list_add_tail(&s_job->node, &sched->ring_mirror_list);
-	sched->ops->begin_job(s_job);
-	spin_unlock_irqrestore(&sched->job_list_lock, flags);
-}
-
 void amd_sched_fence_scheduled(struct amd_sched_fence *s_fence)
 {
 	struct fence_cb *cur, *tmp;